FILE - In this April 18, 2021, file photo, Eliud Kipchoge of Kenya celebrates after winning the NN Mission Marathon at Enschede Airport in Enschede, Netherlands. The Olympic marathons, along with the race walks, were shifted a four-hour train ride north to Sapporo because of the extreme heat in Tokyo. Kipchoge is the defending champion. (Piroschka van de Wouw/Pool Photo via AP, File)

FILE - In this April 18, 2021, file photo, Eliud Kipchoge of Kenya runs to win the NN Mission Marathon at Enschede Airport in Enschede, Netherlands. The Olympic marathons, along with the race walks, were shifted a four-hour train ride north to Sapporo because of the extreme heat in Tokyo. Kipchoge is the defending champion. (Piroschka van de Wouw/Pool Photo via AP, File)

FILE - In this Aug. 21, 2016, file photo, Kenya's Eliud Kipchoge crosses the finish line to win the men's marathon at the 2016 Summer Olympics in Rio de Janeiro, Brazil. The Olympic marathons, along with the race walks, were shifted a four-hour train ride north to Sapporo because of the extreme heat in Tokyo. Kipchoge is the defending champion. (AP Photo/Petr David Josek, File)